/* ** ** Copyright 2007 The Android Open Source Project ** ** Licensed under the Apache License Version 2.0(the "License"); ** you may not use this file except in compliance with the License. ** You may obtain a copy of the License at ** ** http://www.apache.org/licenses/LICENSE-2.0 ** ** Unless required by applicable law or agreed to in writing software ** distributed under the License is distributed on an "AS IS" BASIS ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND either express or implied. ** See the License for the specific language governing permissions and ** limitations under the License. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "context.h" #include "state.h" #include "texture.h" #include "matrix.h" #ifdef LIBAGL_USE_GRALLOC_COPYBITS #include "gralloc_priv.h" #endif // LIBAGL_USE_GRALLOC_COPYBITS #undef NELEM #define NELEM(x) (sizeof(x)/sizeof(*(x))) // ---------------------------------------------------------------------------- namespace android { // ---------------------------------------------------------------------------- const unsigned int NUM_DISPLAYS = 1; static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER; static pthread_key_t gEGLErrorKey = -1; #ifndef HAVE_ANDROID_OS namespace gl { pthread_key_t gGLKey = -1; }; // namespace gl #endif template static T setError(GLint error, T returnValue) { if (ggl_unlikely(gEGLErrorKey == -1)) { pthread_mutex_lock(&gErrorKeyMutex); if (gEGLErrorKey == -1) pthread_key_create(&gEGLErrorKey, NULL); pthread_mutex_unlock(&gErrorKeyMutex); } pthread_setspecific(gEGLErrorKey, (void*)error); return returnValue; } static GLint getError() { if (ggl_unlikely(gEGLErrorKey == -1)) return EGL_SUCCESS; GLint error = (GLint)pthread_getspecific(gEGLErrorKey); pthread_setspecific(gEGLErrorKey, (void*)EGL_SUCCESS); return error; } // ---------------------------------------------------------------------------- struct egl_display_t { egl_display_t() : type(0), initialized(0) { } static egl_display_t& get_display(EGLDisplay dpy); static EGLBoolean is_valid(EGLDisplay dpy) { return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE; } NativeDisplayType type; volatile int32_t initialized; }; static egl_display_t gDisplays[NUM_DISPLAYS]; egl_display_t& egl_display_t::get_display(EGLDisplay dpy) { return gDisplays[uintptr_t(dpy)-1U]; } struct egl_context_t { enum { IS_CURRENT = 0x00010000, NEVER_CURRENT = 0x00020000 }; uint32_t flags; EGLDisplay dpy; EGLConfig config; EGLSurface read; EGLSurface draw; static inline egl_context_t* context(EGLContext ctx) { ogles_context_t* const gl = static_cast(ctx); return static_cast(gl->rasterizer.base); } }; // ---------------------------------------------------------------------------- struct egl_surface_t { enum { PAGE_FLIP = 0x00000001, MAGIC = 0x31415265 }; uint32_t magic; EGLDisplay dpy; EGLConfig config; EGLContext ctx; egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat); virtual ~egl_surface_t(); virtual bool isValid() const = 0; virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0; virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0; virtual void connect() {} virtual void disconnect() {} virtual EGLint getWidth() const = 0; virtual EGLint getHeight() const = 0; virtual EGLint getHorizontalResolution() const; virtual EGLint getVerticalResolution() const; virtual EGLint getRefreshRate() const; virtual EGLint getSwapBehavior() const; virtual EGLBoolean swapBuffers(); virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); virtual EGLClientBuffer getRenderBuffer() const; protected: GGLSurface depth; }; egl_surface_t::egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat) : magic(MAGIC), dpy(dpy), config(config), ctx(0) { depth.version = sizeof(GGLSurface); depth.data = 0; depth.format = depthFormat; } egl_surface_t::~egl_surface_t() { magic = 0; free(depth.data); } EGLBoolean egl_surface_t::swapBuffers() { return EGL_FALSE; } EGLint egl_surface_t::getHorizontalResolution() const { return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); } EGLint egl_surface_t::getVerticalResolution() const { return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); } EGLint egl_surface_t::getRefreshRate() const { return (60 * EGL_DISPLAY_SCALING); } EGLint egl_surface_t::getSwapBehavior() const { return EGL_BUFFER_PRESERVED; } EGLBoolean egl_surface_t::setSwapRectangle( EGLint l, EGLint t, EGLint w, EGLint h) { return EGL_FALSE; } EGLClientBuffer egl_surface_t::getRenderBuffer() const { return 0; } // ---------------------------------------------------------------------------- struct egl_window_surface_v2_t : public egl_surface_t { egl_window_surface_v2_t( EGLDisplay dpy, EGLConfig config, int32_t depthFormat, android_native_window_t* window); ~egl_window_surface_v2_t(); virtual bool isValid() const { return nativeWindow->common.magic == ANDROID_NATIVE_WINDOW_MAGIC; } virtual EGLBoolean swapBuffers(); virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); virtual EGLBoolean bindReadSurface(ogles_context_t* gl); virtual void connect(); virtual void disconnect(); virtual EGLint getWidth() const { return buffer->width; } virtual EGLint getHeight() const { return buffer->height; } virtual EGLint getHorizontalResolution() const; virtual EGLint getVerticalResolution() const; virtual EGLint getRefreshRate() const; virtual EGLint getSwapBehavior() const; virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); virtual EGLClientBuffer getRenderBuffer() const; private: status_t lock(android_native_buffer_t* buf, int usage, void** vaddr); status_t unlock(android_native_buffer_t* buf); android_native_window_t* nativeWindow; android_native_buffer_t* buffer; android_native_buffer_t* previousBuffer; gralloc_module_t const* module; copybit_device_t* blitengine; int width; int height; void* bits; GGLFormat const* pixelFormatTable; struct Rect { inline Rect() { }; inline Rect(int32_t w, int32_t h) : left(0), top(0), right(w), bottom(h) { } inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) : left(l), top(t), right(r), bottom(b) { } Rect& andSelf(const Rect& r) { left = max(left, r.left); top = max(top, r.top); right = min(right, r.right); bottom = min(bottom, r.bottom); return *this; } bool isEmpty() const { return (left>=right || top>=bottom); } void dump(char const* what) { LOGD("%s { %5d, %5d, w=%5d, h=%5d }", what, left, top, right-left, bottom-top); } int32_t left; int32_t top; int32_t right; int32_t bottom; }; struct Region { inline Region() : count(0) { } typedef Rect const* const_iterator; const_iterator begin() const { return storage; } const_iterator end() const { return storage+count; } static Region subtract(const Rect& lhs, const Rect& rhs) { Region reg; Rect* storage = reg.storage; if (!lhs.isEmpty()) { if (lhs.top < rhs.top) { // top rect storage->left = lhs.left; storage->top = lhs.top; storage->right = lhs.right; storage->bottom = rhs.top; storage++; } const int32_t top = max(lhs.top, rhs.top); const int32_t bot = min(lhs.bottom, rhs.bottom); if (top < bot) { if (lhs.left < rhs.left) { // left-side rect storage->left = lhs.left; storage->top = top; storage->right = rhs.left; storage->bottom = bot; storage++; } if (lhs.right > rhs.right) { // right-side rect storage->left = rhs.right; storage->top = top; storage->right = lhs.right; storage->bottom = bot; storage++; } } if (lhs.bottom > rhs.bottom) { // bottom rect storage->left = lhs.left; storage->top = rhs.bottom; storage->right = lhs.right; storage->bottom = lhs.bottom; storage++; } reg.count = storage - reg.storage; } return reg; } bool isEmpty() const { return count<=0; } private: Rect storage[4]; ssize_t count; }; struct region_iterator : public copybit_region_t { region_iterator(const Region& region) : b(region.begin()), e(region.end()) { this->next = iterate; } private: static int iterate(copybit_region_t const * self, copybit_rect_t* rect) { region_iterator const* me = static_cast(self); if (me->b != me->e) { *reinterpret_cast(rect) = *me->b++; return 1; } return 0; } mutable Region::const_iterator b; Region::const_iterator const e; }; void copyBlt( android_native_buffer_t* dst, void* dst_vaddr, android_native_buffer_t* src, void const* src_vaddr, const Region& clip); Rect dirtyRegion; Rect oldDirtyRegion; }; egl_window_surface_v2_t::egl_window_surface_v2_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat, android_native_window_t* window) : egl_surface_t(dpy, config, depthFormat), nativeWindow(window), buffer(0), previousBuffer(0), module(0), blitengine(0), bits(NULL) { hw_module_t const* pModule; hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule); module = reinterpret_cast(pModule); if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &pModule) == 0) { copybit_open(pModule, &blitengine); } pixelFormatTable = gglGetPixelFormatTable(); // keep a reference on the window nativeWindow->common.incRef(&nativeWindow->common); // dequeue a buffer nativeWindow->dequeueBuffer(nativeWindow, &buffer); // allocate a corresponding depth-buffer width = buffer->width; height = buffer->height; if (depthFormat) { depth.width = width; depth.height = height; depth.stride = depth.width; // use the width here depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); if (depth.data == 0) { setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); return; } } // keep a reference on the buffer buffer->common.incRef(&buffer->common); } egl_window_surface_v2_t::~egl_window_surface_v2_t() { if (buffer) { buffer->common.decRef(&buffer->common); } if (previousBuffer) { previousBuffer->common.decRef(&previousBuffer->common); } nativeWindow->common.decRef(&nativeWindow->common); if (blitengine) { copybit_close(blitengine); } } void egl_window_surface_v2_t::connect() { // Lock the buffer nativeWindow->lockBuffer(nativeWindow, buffer); // pin the buffer down if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { LOGE("connect() failed to lock buffer %p (%ux%u)", buffer, buffer->width, buffer->height); setError(EGL_BAD_ACCESS, EGL_NO_SURFACE); // FIXME: we should make sure we're not accessing the buffer anymore } } void egl_window_surface_v2_t::disconnect() { if (buffer && bits) { bits = NULL; unlock(buffer); } } status_t egl_window_surface_v2_t::lock( android_native_buffer_t* buf, int usage, void** vaddr) { int err = module->lock(module, buf->handle, usage, 0, 0, buf->width, buf->height, vaddr); return err; } status_t egl_window_surface_v2_t::unlock(android_native_buffer_t* buf) { int err = module->unlock(module, buf->handle); return err; } void egl_window_surface_v2_t::copyBlt( android_native_buffer_t* dst, void* dst_vaddr, android_native_buffer_t* src, void const* src_vaddr, const Region& clip) { // FIXME: use copybit if possible // NOTE: dst and src must be the same format status_t err = NO_ERROR; copybit_device_t* const copybit = blitengine; if (copybit) { copybit_image_t simg; simg.w = src->width; simg.h = src->height; simg.format = src->format; simg.handle = const_cast(src->handle); copybit_image_t dimg; dimg.w = dst->width; dimg.h = dst->height; dimg.format = dst->format; dimg.handle = const_cast(dst->handle); copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0); copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 255); copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_DISABLE); region_iterator it(clip); err = copybit->blit(copybit, &dimg, &simg, &it); if (err != NO_ERROR) { LOGE("copybit failed (%s)", strerror(err)); } } if (!copybit || err) { Region::const_iterator cur = clip.begin(); Region::const_iterator end = clip.end(); const size_t bpp = pixelFormatTable[src->format].size; const size_t dbpr = dst->stride * bpp; const size_t sbpr = src->stride * bpp; uint8_t const * const src_bits = (uint8_t const *)src_vaddr; uint8_t * const dst_bits = (uint8_t *)dst_vaddr; while (cur != end) { const Rect& r(*cur++); ssize_t w = r.right - r.left; ssize_t h = r.bottom - r.top; if (w <= 0 || h<=0) continue; size_t size = w * bpp; uint8_t const * s = src_bits + (r.left + src->stride * r.top) * bpp; uint8_t * d = dst_bits + (r.left + dst->stride * r.top) * bpp; if (dbpr==sbpr && size==sbpr) { size *= h; h = 1; } do { memcpy(d, s, size); d += dbpr; s += sbpr; } while (--h > 0); } } } EGLBoolean egl_window_surface_v2_t::swapBuffers() { /* * Handle eglSetSwapRectangleANDROID() * We copyback from the front buffer */ if (!dirtyRegion.isEmpty()) { dirtyRegion.andSelf(Rect(buffer->width, buffer->height)); if (previousBuffer) { const Region copyBack(Region::subtract(oldDirtyRegion, dirtyRegion)); if (!copyBack.isEmpty()) { void* prevBits; if (lock(previousBuffer, GRALLOC_USAGE_SW_READ_OFTEN, &prevBits) == NO_ERROR) { // copy from previousBuffer to buffer copyBlt(buffer, bits, previousBuffer, prevBits, copyBack); unlock(previousBuffer); } } } oldDirtyRegion = dirtyRegion; } if (previousBuffer) { previousBuffer->common.decRef(&previousBuffer->common); previousBuffer = 0; } unlock(buffer); previousBuffer = buffer; nativeWindow->queueBuffer(nativeWindow, buffer); buffer = 0; // dequeue a new buffer nativeWindow->dequeueBuffer(nativeWindow, &buffer); // TODO: lockBuffer should rather be executed when the very first // direct rendering occurs. nativeWindow->lockBuffer(nativeWindow, buffer); // reallocate the depth-buffer if needed if ((width != buffer->width) || (height != buffer->height)) { // TODO: we probably should reset the swap rect here // if the window size has changed width = buffer->width; height = buffer->height; if (depth.data) { free(depth.data); depth.width = width; depth.height = height; depth.stride = buffer->stride; depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); if (depth.data == 0) { setError(EGL_BAD_ALLOC, EGL_FALSE); return EGL_FALSE; } } } // keep a reference on the buffer buffer->common.incRef(&buffer->common); // finally pin the buffer down if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { LOGE("eglSwapBuffers() failed to lock buffer %p (%ux%u)", buffer, buffer->width, buffer->height); setError(EGL_BAD_ACCESS, EGL_NO_SURFACE); // FIXME: we should make sure we're not accessing the buffer anymore } return EGL_TRUE; } EGLBoolean egl_window_surface_v2_t::setSwapRectangle( EGLint l, EGLint t, EGLint w, EGLint h) { dirtyRegion = Rect(l, t, l+w, t+h); return EGL_TRUE; } EGLClientBuffer egl_window_surface_v2_t::getRenderBuffer() const { return buffer; } #ifdef LIBAGL_USE_GRALLOC_COPYBITS static bool supportedCopybitsDestinationFormat(int format) { // Hardware supported switch (format) { case HAL_PIXEL_FORMAT_RGB_565: case HAL_PIXEL_FORMAT_RGBA_8888: case HAL_PIXEL_FORMAT_RGBA_4444: case HAL_PIXEL_FORMAT_RGBA_5551: case HAL_PIXEL_FORMAT_BGRA_8888: return true; } return false; } #endif EGLBoolean egl_window_surface_v2_t::bindDrawSurface(ogles_context_t* gl) { GGLSurface buffer; buffer.version = sizeof(GGLSurface); buffer.width = this->buffer->width; buffer.height = this->buffer->height; buffer.stride = this->buffer->stride; buffer.data = (GGLubyte*)bits; buffer.format = this->buffer->format; gl->rasterizer.procs.colorBuffer(gl, &buffer); if (depth.data != gl->rasterizer.state.buffers.depth.data) gl->rasterizer.procs.depthBuffer(gl, &depth); #ifdef LIBAGL_USE_GRALLOC_COPYBITS gl->copybits.drawSurfaceBuffer = 0; if (supportedCopybitsDestinationFormat(buffer.format)) { buffer_handle_t handle = this->buffer->handle; if (handle != NULL) { private_handle_t* hand = private_handle_t::dynamicCast(handle); if (hand != NULL && hand->usesPhysicallyContiguousMemory()) { gl->copybits.drawSurfaceBuffer = handle; } } } #endif // LIBAGL_USE_GRALLOC_COPYBITS return EGL_TRUE; } EGLBoolean egl_window_surface_v2_t::bindReadSurface(ogles_context_t* gl) { GGLSurface buffer; buffer.version = sizeof(GGLSurface); buffer.width = this->buffer->width; buffer.height = this->buffer->height; buffer.stride = this->buffer->stride; buffer.data = (GGLubyte*)bits; // FIXME: hopefully is is LOCKED!!! buffer.format = this->buffer->format; gl->rasterizer.procs.readBuffer(gl, &buffer); return EGL_TRUE; } EGLint egl_window_surface_v2_t::getHorizontalResolution() const { return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); } EGLint egl_window_surface_v2_t::getVerticalResolution() const { return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); } EGLint egl_window_surface_v2_t::getRefreshRate() const { return (60 * EGL_DISPLAY_SCALING); // FIXME } EGLint egl_window_surface_v2_t::getSwapBehavior() const { /* * EGL_BUFFER_PRESERVED means that eglSwapBuffers() completely preserves * the content of the swapped buffer. * * EGL_BUFFER_DESTROYED means that the content of the buffer is lost. * * However when ANDROID_swap_retcangle is supported, EGL_BUFFER_DESTROYED * only applies to the area specified by eglSetSwapRectangleANDROID(), that * is, everything outside of this area is preserved. * * This implementation of EGL assumes the later case. * */ return EGL_BUFFER_DESTROYED; } // ---------------------------------------------------------------------------- struct egl_pixmap_surface_t : public egl_surface_t { egl_pixmap_surface_t( EGLDisplay dpy, EGLConfig config, int32_t depthFormat, egl_native_pixmap_t const * pixmap); virtual ~egl_pixmap_surface_t() { } virtual bool isValid() const { return nativePixmap.version == sizeof(egl_native_pixmap_t); } virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); virtual EGLBoolean bindReadSurface(ogles_context_t* gl); virtual EGLint getWidth() const { return nativePixmap.width; } virtual EGLint getHeight() const { return nativePixmap.height; } private: egl_native_pixmap_t nativePixmap; }; egl_pixmap_surface_t::egl_pixmap_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat, egl_native_pixmap_t const * pixmap) : egl_surface_t(dpy, config, depthFormat), nativePixmap(*pixmap) { if (depthFormat) { depth.width = pixmap->width; depth.height = pixmap->height; depth.stride = depth.width; // use the width here depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); if (depth.data == 0) { setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); return; } } } EGLBoolean egl_pixmap_surface_t::bindDrawSurface(ogles_context_t* gl) { GGLSurface buffer; buffer.version = sizeof(GGLSurface); buffer.width = nativePixmap.width; buffer.height = nativePixmap.height; buffer.stride = nativePixmap.stride; buffer.data = nativePixmap.data; buffer.format = nativePixmap.format; gl->rasterizer.procs.colorBuffer(gl, &buffer); if (depth.data != gl->rasterizer.state.buffers.depth.data) gl->rasterizer.procs.depthBuffer(gl, &depth); return EGL_TRUE; } EGLBoolean egl_pixmap_surface_t::bindReadSurface(ogles_context_t* gl) { GGLSurface buffer; buffer.version = sizeof(GGLSurface); buffer.width = nativePixmap.width; buffer.height = nativePixmap.height; buffer.stride = nativePixmap.stride; buffer.data = nativePixmap.data; buffer.format = nativePixmap.format; gl->rasterizer.procs.readBuffer(gl, &buffer); return EGL_TRUE; } // ---------------------------------------------------------------------------- struct egl_pbuffer_surface_t : public egl_surface_t { egl_pbuffer_surface_t( EGLDisplay dpy, EGLConfig config, int32_t depthFormat, int32_t w, int32_t h, int32_t f); virtual ~egl_pbuffer_surface_t(); virtual bool isValid() const { return pbuffer.data != 0; } virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); virtual EGLBoolean bindReadSurface(ogles_context_t* gl); virtual EGLint getWidth() const { return pbuffer.width; } virtual EGLint getHeight() const { return pbuffer.height; } private: GGLSurface pbuffer; }; egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat, int32_t w, int32_t h, int32_t f) : egl_surface_t(dpy, config, depthFormat) { size_t size = w*h; switch (f) { case GGL_PIXEL_FORMAT_A_8: size *= 1; break; case GGL_PIXEL_FORMAT_RGB_565: size *= 2; break; case GGL_PIXEL_FORMAT_RGBA_8888: size *= 4; break; default: LOGE("incompatible pixel format for pbuffer (format=%d)", f); pbuffer.data = 0; break; } pbuffer.version = sizeof(GGLSurface); pbuffer.width = w; pbuffer.height = h; pbuffer.stride = w; pbuffer.data = (GGLubyte*)malloc(size); pbuffer.format = f; if (depthFormat) { depth.width = pbuffer.width; depth.height = pbuffer.height; depth.stride = depth.width; // use the width here depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); if (depth.data == 0) { setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); return; } } } egl_pbuffer_surface_t::~egl_pbuffer_surface_t() { free(pbuffer.data); } EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(ogles_context_t* gl) { gl->rasterizer.procs.colorBuffer(gl, &pbuffer); if (depth.data != gl->rasterizer.state.buffers.depth.data) gl->rasterizer.procs.depthBuffer(gl, &depth); return EGL_TRUE; } EGLBoolean egl_pbuffer_surface_t::bindReadSurface(ogles_context_t* gl) { gl->rasterizer.procs.readBuffer(gl, &pbuffer); return EGL_TRUE; } // ---------------------------------------------------------------------------- struct config_pair_t { GLint key; GLint value; }; struct configs_t { const config_pair_t* array; int size; }; struct config_management_t { GLint key; bool (*match)(GLint reqValue, GLint confValue); static bool atLeast(GLint reqValue, GLint confValue) { return (reqValue == EGL_DONT_CARE) || (confValue >= reqValue); } static bool exact(GLint reqValue, GLint confValue) { return (reqValue == EGL_DONT_CARE) || (confValue == reqValue); } static bool mask(GLint reqValue, GLint confValue) { return (confValue & reqValue) == reqValue; } }; // ---------------------------------------------------------------------------- #define VERSION_MAJOR 1 #define VERSION_MINOR 2 static char const * const gVendorString = "Google Inc."; static char const * const gVersionString = "1.2 Android Driver"; static char const * const gClientApiString = "OpenGL ES"; static char const * const gExtensionsString = "EGL_KHR_image_base " // "KHR_image_pixmap " "EGL_ANDROID_image_native_buffer " "EGL_ANDROID_swap_rectangle " "EGL_ANDROID_get_render_buffer " ; // ---------------------------------------------------------------------------- struct extention_map_t { const char * const name; __eglMustCastToProperFunctionPointerType address; }; static const extention_map_t gExtentionMap[] = { { "glDrawTexsOES", (__eglMustCastToProperFunctionPointerType)&glDrawTexsOES }, { "glDrawTexiOES", (__eglMustCastToProperFunctionPointerType)&glDrawTexiOES }, { "glDrawTexfOES", (__eglMustCastToProperFunctionPointerType)&glDrawTexfOES }, { "glDrawTexxOES", (__eglMustCastToProperFunctionPointerType)&glDrawTexxOES }, { "glDrawTexsvOES", (__eglMustCastToProperFunctionPointerType)&glDrawTexsvOES }, { "glDrawTexivOES", (__eglMustCastToProperFunctionPointerType)&glDrawTexivOES }, { "glDrawTexfvOES", (__eglMustCastToProperFunctionPointerType)&glDrawTexfvOES }, { "glDrawTexxvOES", (__eglMustCastToProperFunctionPointerType)&glDrawTexxvOES }, { "glQueryMatrixxOES", (__eglMustCastToProperFunctionPointerType)&glQueryMatrixxOES }, { "glEGLImageTargetTexture2DOES", (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetTexture2DOES }, { "glEGLImageTargetRenderbufferStorageOES", (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetRenderbufferStorageOES }, { "glClipPlanef", (__eglMustCastToProperFunctionPointerType)&glClipPlanef }, { "glClipPlanex", (__eglMustCastToProperFunctionPointerType)&glClipPlanex }, { "glBindBuffer", (__eglMustCastToProperFunctionPointerType)&glBindBuffer }, { "glBufferData", (__eglMustCastToProperFunctionPointerType)&glBufferData }, { "glBufferSubData", (__eglMustCastToProperFunctionPointerType)&glBufferSubData }, { "glDeleteBuffers", (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers }, { "glGenBuffers", (__eglMustCastToProperFunctionPointerType)&glGenBuffers }, { "eglCreateImageKHR", (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, { "eglDestroyImageKHR", (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, { "eglSetSwapRectangleANDROID", (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, { "eglGetRenderBufferANDROID", (__eglMustCastToProperFunctionPointerType)&eglGetRenderBufferANDROID }, }; /* * In the lists below, attributes names MUST be sorted. * Additionally, all configs must be sorted according to * the EGL specification. */ static config_pair_t const config_base_attribute_list[] = { { EGL_STENCIL_SIZE, 0 }, { EGL_CONFIG_CAVEAT, EGL_SLOW_CONFIG }, { EGL_LEVEL, 0 }, { EGL_MAX_PBUFFER_HEIGHT, GGL_MAX_VIEWPORT_DIMS }, { EGL_MAX_PBUFFER_PIXELS, GGL_MAX_VIEWPORT_DIMS*GGL_MAX_VIEWPORT_DIMS }, { EGL_MAX_PBUFFER_WIDTH, GGL_MAX_VIEWPORT_DIMS }, { EGL_NATIVE_RENDERABLE, EGL_TRUE }, { EGL_NATIVE_VISUAL_ID, 0 }, { EGL_NATIVE_VISUAL_TYPE, GGL_PIXEL_FORMAT_RGB_565 }, { EGL_SAMPLES, 0 }, { EGL_SAMPLE_BUFFERS, 0 }, { EGL_TRANSPARENT_TYPE, EGL_NONE }, { EGL_TRANSPARENT_BLUE_VALUE, 0 }, { EGL_TRANSPARENT_GREEN_VALUE, 0 }, { EGL_TRANSPARENT_RED_VALUE, 0 }, { EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE }, { EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE }, { EGL_MIN_SWAP_INTERVAL, 1 }, { EGL_MAX_SWAP_INTERVAL, 4 }, }; // These configs can override the base attribute list // NOTE: when adding a config here, don't forget to update eglCreate*Surface() static config_pair_t const config_0_attribute_list[] = { { EGL_BUFFER_SIZE, 16 }, { EGL_ALPHA_SIZE, 0 }, { EGL_BLUE_SIZE, 5 }, { EGL_GREEN_SIZE, 6 }, { EGL_RED_SIZE, 5 }, { EGL_DEPTH_SIZE, 0 }, { EGL_CONFIG_ID, 0 }, { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, }; static config_pair_t const config_1_attribute_list[] = { { EGL_BUFFER_SIZE, 16 }, { EGL_ALPHA_SIZE, 0 }, { EGL_BLUE_SIZE, 5 }, { EGL_GREEN_SIZE, 6 }, { EGL_RED_SIZE, 5 }, { EGL_DEPTH_SIZE, 16 }, { EGL_CONFIG_ID, 1 }, { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, }; static config_pair_t const config_2_attribute_list[] = { { EGL_BUFFER_SIZE, 32 }, { EGL_ALPHA_SIZE, 8 }, { EGL_BLUE_SIZE, 8 }, { EGL_GREEN_SIZE, 8 }, { EGL_RED_SIZE, 8 }, { EGL_DEPTH_SIZE, 0 }, { EGL_CONFIG_ID, 2 }, { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, }; static config_pair_t const config_3_attribute_list[] = { { EGL_BUFFER_SIZE, 32 }, { EGL_ALPHA_SIZE, 8 }, { EGL_BLUE_SIZE, 8 }, { EGL_GREEN_SIZE, 8 }, { EGL_RED_SIZE, 8 }, { EGL_DEPTH_SIZE, 16 }, { EGL_CONFIG_ID, 3 }, { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, }; static config_pair_t const config_4_attribute_list[] = { { EGL_BUFFER_SIZE, 8 }, { EGL_ALPHA_SIZE, 8 }, { EGL_BLUE_SIZE, 0 }, { EGL_GREEN_SIZE, 0 }, { EGL_RED_SIZE, 0 }, { EGL_DEPTH_SIZE, 0 }, { EGL_CONFIG_ID, 4 }, { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, }; static config_pair_t const config_5_attribute_list[] = { { EGL_BUFFER_SIZE, 8 }, { EGL_ALPHA_SIZE, 8 }, { EGL_BLUE_SIZE, 0 }, { EGL_GREEN_SIZE, 0 }, { EGL_RED_SIZE, 0 }, { EGL_DEPTH_SIZE, 16 }, { EGL_CONFIG_ID, 5 }, { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, }; static configs_t const gConfigs[] = { { config_0_attribute_list, NELEM(config_0_attribute_list) }, { config_1_attribute_list, NELEM(config_1_attribute_list) }, { config_2_attribute_list, NELEM(config_2_attribute_list) }, { config_3_attribute_list, NELEM(config_3_attribute_list) }, { config_4_attribute_list, NELEM(config_4_attribute_list) }, { config_5_attribute_list, NELEM(config_5_attribute_list) }, }; static config_management_t const gConfigManagement[] = { { EGL_BUFFER_SIZE, config_management_t::atLeast }, { EGL_ALPHA_SIZE, config_management_t::atLeast }, { EGL_BLUE_SIZE, config_management_t::atLeast }, { EGL_GREEN_SIZE, config_management_t::atLeast }, { EGL_RED_SIZE, config_management_t::atLeast }, { EGL_DEPTH_SIZE, config_management_t::atLeast }, { EGL_STENCIL_SIZE, config_management_t::atLeast }, { EGL_CONFIG_CAVEAT, config_management_t::exact }, { EGL_CONFIG_ID, config_management_t::exact }, { EGL_LEVEL, config_management_t::exact }, { EGL_MAX_PBUFFER_HEIGHT, config_management_t::exact }, { EGL_MAX_PBUFFER_PIXELS, config_management_t::exact }, { EGL_MAX_PBUFFER_WIDTH, config_management_t::exact }, { EGL_NATIVE_RENDERABLE, config_management_t::exact }, { EGL_NATIVE_VISUAL_ID, config_management_t::exact }, { EGL_NATIVE_VISUAL_TYPE, config_management_t::exact }, { EGL_SAMPLES, config_management_t::exact }, { EGL_SAMPLE_BUFFERS, config_management_t::exact }, { EGL_SURFACE_TYPE, config_management_t::mask }, { EGL_TRANSPARENT_TYPE, config_management_t::exact }, { EGL_TRANSPARENT_BLUE_VALUE, config_management_t::exact }, { EGL_TRANSPARENT_GREEN_VALUE, config_management_t::exact }, { EGL_TRANSPARENT_RED_VALUE, config_management_t::exact }, { EGL_BIND_TO_TEXTURE_RGBA, config_management_t::exact }, { EGL_BIND_TO_TEXTURE_RGB, config_management_t::exact }, { EGL_MIN_SWAP_INTERVAL, config_management_t::exact }, { EGL_MAX_SWAP_INTERVAL, config_management_t::exact }, }; static config_pair_t const config_defaults[] = { { EGL_SURFACE_TYPE, EGL_WINDOW_BIT }, }; // ---------------------------------------------------------------------------- template static int binarySearch(T const sortedArray[], int first, int last, EGLint key) { while (first <= last) { int mid = (first + last) / 2; if (key > sortedArray[mid].key) { first = mid + 1; } else if (key < sortedArray[mid].key) { last = mid - 1; } else { return mid; } } return -1; } static int isAttributeMatching(int i, EGLint attr, EGLint val) { // look for the attribute in all of our configs config_pair_t const* configFound = gConfigs[i].array; int index = binarySearch( gConfigs[i].array, 0, gConfigs[i].size-1, attr); if (index < 0) { configFound = config_base_attribute_list; index = binarySearch( config_base_attribute_list, 0, NELEM(config_base_attribute_list)-1, attr); } if (index >= 0) { // attribute found, check if this config could match int cfgMgtIndex = binarySearch( gConfigManagement, 0, NELEM(gConfigManagement)-1, attr); if (index >= 0) { bool match = gConfigManagement[cfgMgtIndex].match( val, configFound[index].value); if (match) { // this config matches return 1; } } else { // attribute not found. this should NEVER happen. } } else { // error, this attribute doesn't exist } return 0; } static int makeCurrent(ogles_context_t* gl) { ogles_context_t* current = (ogles_context_t*)getGlThreadSpecific(); if (gl) { egl_context_t* c = egl_context_t::context(gl); if (c->flags & egl_context_t::IS_CURRENT) { if (current != gl) { // it is an error to set a context current, if it's already // current to another thread return -1; } } else { if (current) { // mark the current context as not current, and flush glFlush(); egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; } } if (!(c->flags & egl_context_t::IS_CURRENT)) { // The context is not current, make it current! setGlThreadSpecific(gl); c->flags |= egl_context_t::IS_CURRENT; } } else { if (current) { // mark the current context as not current, and flush glFlush(); egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; } // this thread has no context attached to it setGlThreadSpecific(0); } return 0; } static EGLBoolean getConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value) { size_t numConfigs = NELEM(gConfigs); int index = (int)config; if (uint32_t(index) >= numConfigs) return setError(EGL_BAD_CONFIG, EGL_FALSE); int attrIndex; attrIndex = binarySearch( gConfigs[index].array, 0, gConfigs[index].size-1, attribute); if (attrIndex>=0) { *value = gConfigs[index].array[attrIndex].value; return EGL_TRUE; } attrIndex = binarySearch( config_base_attribute_list, 0, NELEM(config_base_attribute_list)-1, attribute); if (attrIndex>=0) { *value = config_base_attribute_list[attrIndex].value; return EGL_TRUE; } return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); } static EGLSurface createWindowSurface(EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); if (window == 0) return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); EGLint surfaceType; if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) return EGL_FALSE; if (!(surfaceType & EGL_WINDOW_BIT)) return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); EGLint configID; if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) return EGL_FALSE; int32_t depthFormat; int32_t pixelFormat; switch(configID) { case 0: pixelFormat = GGL_PIXEL_FORMAT_RGB_565; depthFormat = 0; break; case 1: pixelFormat = GGL_PIXEL_FORMAT_RGB_565; depthFormat = GGL_PIXEL_FORMAT_Z_16; break; case 2: pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; depthFormat = 0; break; case 3: pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; depthFormat = GGL_PIXEL_FORMAT_Z_16; break; case 4: pixelFormat = GGL_PIXEL_FORMAT_A_8; depthFormat = 0; break; case 5: pixelFormat = GGL_PIXEL_FORMAT_A_8; depthFormat = GGL_PIXEL_FORMAT_Z_16; break; default: return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); } // FIXME: we don't have access to the pixelFormat here just yet. // (it's possible that the surface is not fully initialized) // maybe this should be done after the page-flip //if (EGLint(info.format) != pixelFormat) // return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); egl_surface_t* surface; surface = new egl_window_surface_v2_t(dpy, config, depthFormat, static_cast(window)); if (!surface->isValid()) { // there was a problem in the ctor, the error // flag has been set. delete surface; surface = 0; } return surface; } static EGLSurface createPixmapSurface(EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); if (pixmap == 0) return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); EGLint surfaceType; if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) return EGL_FALSE; if (!(surfaceType & EGL_PIXMAP_BIT)) return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); EGLint configID; if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) return EGL_FALSE; int32_t depthFormat; int32_t pixelFormat; switch(configID) { case 0: pixelFormat = GGL_PIXEL_FORMAT_RGB_565; depthFormat = 0; break; case 1: pixelFormat = GGL_PIXEL_FORMAT_RGB_565; depthFormat = GGL_PIXEL_FORMAT_Z_16; break; case 2: pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; depthFormat = 0; break; case 3: pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; depthFormat = GGL_PIXEL_FORMAT_Z_16; break; case 4: pixelFormat = GGL_PIXEL_FORMAT_A_8; depthFormat = 0; break; case 5: pixelFormat = GGL_PIXEL_FORMAT_A_8; depthFormat = GGL_PIXEL_FORMAT_Z_16; break; default: return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); } if (pixmap->format != pixelFormat) return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); egl_surface_t* surface = new egl_pixmap_surface_t(dpy, config, depthFormat, static_cast(pixmap)); if (!surface->isValid()) { // there was a problem in the ctor, the error // flag has been set. delete surface; surface = 0; } return surface; } static EGLSurface createPbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); EGLint surfaceType; if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) return EGL_FALSE; if (!(surfaceType & EGL_PBUFFER_BIT)) return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); EGLint configID; if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) return EGL_FALSE; int32_t depthFormat; int32_t pixelFormat; switch(configID) { case 0: pixelFormat = GGL_PIXEL_FORMAT_RGB_565; depthFormat = 0; break; case 1: pixelFormat = GGL_PIXEL_FORMAT_RGB_565; depthFormat = GGL_PIXEL_FORMAT_Z_16; break; case 2: pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; depthFormat = 0; break; case 3: pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; depthFormat = GGL_PIXEL_FORMAT_Z_16; break; case 4: pixelFormat = GGL_PIXEL_FORMAT_A_8; depthFormat = 0; break; case 5: pixelFormat = GGL_PIXEL_FORMAT_A_8; depthFormat = GGL_PIXEL_FORMAT_Z_16; break; default: return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); } int32_t w = 0; int32_t h = 0; while (attrib_list[0]) { if (attrib_list[0] == EGL_WIDTH) w = attrib_list[1]; if (attrib_list[0] == EGL_HEIGHT) h = attrib_list[1]; attrib_list+=2; } egl_surface_t* surface = new egl_pbuffer_surface_t(dpy, config, depthFormat, w, h, pixelFormat); if (!surface->isValid()) { // there was a problem in the ctor, the error // flag has been set. delete surface; surface = 0; } return surface; } // ---------------------------------------------------------------------------- }; // namespace android // ---------------------------------------------------------------------------- using namespace android; // ---------------------------------------------------------------------------- // Initialization // ---------------------------------------------------------------------------- EGLDisplay eglGetDisplay(NativeDisplayType display) { #ifndef HAVE_ANDROID_OS // this just needs to be done once if (gGLKey == -1) { pthread_mutex_lock(&gInitMutex); if (gGLKey == -1) pthread_key_create(&gGLKey, NULL); pthread_mutex_unlock(&gInitMutex); } #endif if (display == EGL_DEFAULT_DISPLAY) { EGLDisplay dpy = (EGLDisplay)1; egl_display_t& d = egl_display_t::get_display(dpy); d.type = display; return dpy; } return EGL_NO_DISPLAY; } EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); EGLBoolean res = EGL_TRUE; egl_display_t& d = egl_display_t::get_display(dpy); if (android_atomic_inc(&d.initialized) == 0) { // initialize stuff here if needed //pthread_mutex_lock(&gInitMutex); //pthread_mutex_unlock(&gInitMutex); } if (res == EGL_TRUE) { if (major != NULL) *major = VERSION_MAJOR; if (minor != NULL) *minor = VERSION_MINOR; } return res; } EGLBoolean eglTerminate(EGLDisplay dpy) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); EGLBoolean res = EGL_TRUE; egl_display_t& d = egl_display_t::get_display(dpy); if (android_atomic_dec(&d.initialized) == 1) { // TODO: destroy all resources (surfaces, contexts, etc...) //pthread_mutex_lock(&gInitMutex); //pthread_mutex_unlock(&gInitMutex); } return res; } // ---------------------------------------------------------------------------- // configuration // ---------------------------------------------------------------------------- EGLBoolean eglGetConfigs( EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); GLint numConfigs = NELEM(gConfigs); if (!configs) { *num_config = numConfigs; return EGL_TRUE; } GLint i; for (i=0 ; i( (config_pair_t const*)attrib_list, 0, numAttributes-1, config_defaults[j].key) < 0) { for (int i=0 ; i(eglSurface) ); if (surface->magic != egl_surface_t::MAGIC) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (surface->dpy != dpy) return setError(EGL_BAD_DISPLAY, EGL_FALSE); if (surface->ctx) { // FIXME: this surface is current check what the spec says surface->disconnect(); surface->ctx = 0; } delete surface; } return EGL_TRUE; } EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface eglSurface, EGLint attribute, EGLint *value) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); egl_surface_t* surface = static_cast(eglSurface); if (surface->dpy != dpy) return setError(EGL_BAD_DISPLAY, EGL_FALSE); EGLBoolean ret = EGL_TRUE; switch (attribute) { case EGL_CONFIG_ID: ret = getConfigAttrib(dpy, surface->config, EGL_CONFIG_ID, value); break; case EGL_WIDTH: *value = surface->getWidth(); break; case EGL_HEIGHT: *value = surface->getHeight(); break; case EGL_LARGEST_PBUFFER: // not modified for a window or pixmap surface break; case EGL_TEXTURE_FORMAT: *value = EGL_NO_TEXTURE; break; case EGL_TEXTURE_TARGET: *value = EGL_NO_TEXTURE; break; case EGL_MIPMAP_TEXTURE: *value = EGL_FALSE; break; case EGL_MIPMAP_LEVEL: *value = 0; break; case EGL_RENDER_BUFFER: // TODO: return the real RENDER_BUFFER here *value = EGL_BACK_BUFFER; break; case EGL_HORIZONTAL_RESOLUTION: // pixel/mm * EGL_DISPLAY_SCALING *value = surface->getHorizontalResolution(); break; case EGL_VERTICAL_RESOLUTION: // pixel/mm * EGL_DISPLAY_SCALING *value = surface->getVerticalResolution(); break; case EGL_PIXEL_ASPECT_RATIO: { // w/h * EGL_DISPLAY_SCALING int wr = surface->getHorizontalResolution(); int hr = surface->getVerticalResolution(); *value = (wr * EGL_DISPLAY_SCALING) / hr; } break; case EGL_SWAP_BEHAVIOR: *value = surface->getSwapBehavior(); break; default: ret = setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); } return ret; } EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); ogles_context_t* gl = ogles_init(sizeof(egl_context_t)); if (!gl) return setError(EGL_BAD_ALLOC, EGL_NO_CONTEXT); egl_context_t* c = static_cast(gl->rasterizer.base); c->flags = egl_context_t::NEVER_CURRENT; c->dpy = dpy; c->config = config; c->read = 0; c->draw = 0; return (EGLContext)gl; } EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); egl_context_t* c = egl_context_t::context(ctx); if (c->flags & egl_context_t::IS_CURRENT) setGlThreadSpecific(0); ogles_uninit((ogles_context_t*)ctx); return EGL_TRUE; } EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); if (draw) { egl_surface_t* s = (egl_surface_t*)draw; if (s->dpy != dpy) return setError(EGL_BAD_DISPLAY, EGL_FALSE); // TODO: check that draw and read are compatible with the context } EGLContext current_ctx = EGL_NO_CONTEXT; if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT)) return setError(EGL_BAD_MATCH, EGL_FALSE); if ((read != EGL_NO_SURFACE || draw != EGL_NO_SURFACE) && (ctx == EGL_NO_CONTEXT)) return setError(EGL_BAD_MATCH, EGL_FALSE); if (ctx == EGL_NO_CONTEXT) { // if we're detaching, we need the current context current_ctx = (EGLContext)getGlThreadSpecific(); } else { egl_context_t* c = egl_context_t::context(ctx); egl_surface_t* d = (egl_surface_t*)draw; egl_surface_t* r = (egl_surface_t*)read; if ((d && d->ctx && d->ctx != ctx) || (r && r->ctx && r->ctx != ctx)) { // one of the surface is bound to a context in another thread return setError(EGL_BAD_ACCESS, EGL_FALSE); } } ogles_context_t* gl = (ogles_context_t*)ctx; if (makeCurrent(gl) == 0) { if (ctx) { egl_context_t* c = egl_context_t::context(ctx); egl_surface_t* d = (egl_surface_t*)draw; egl_surface_t* r = (egl_surface_t*)read; if (c->draw) { reinterpret_cast(c->draw)->disconnect(); } if (c->read) { // FIXME: unlock/disconnect the read surface too } c->draw = draw; c->read = read; if (c->flags & egl_context_t::NEVER_CURRENT) { c->flags &= ~egl_context_t::NEVER_CURRENT; GLint w = 0; GLint h = 0; if (draw) { w = d->getWidth(); h = d->getHeight(); } ogles_surfaceport(gl, 0, 0); ogles_viewport(gl, 0, 0, w, h); ogles_scissor(gl, 0, 0, w, h); } if (d) { d->connect(); d->ctx = ctx; d->bindDrawSurface(gl); } if (r) { // FIXME: lock/connect the read surface too r->ctx = ctx; r->bindReadSurface(gl); } } else { // if surfaces were bound to the context bound to this thread // mark then as unbound. if (current_ctx) { egl_context_t* c = egl_context_t::context(current_ctx); egl_surface_t* d = (egl_surface_t*)c->draw; egl_surface_t* r = (egl_surface_t*)c->read; if (d) { c->draw = 0; d->ctx = EGL_NO_CONTEXT; d->disconnect(); } if (r) { c->read = 0; r->ctx = EGL_NO_CONTEXT; // FIXME: unlock/disconnect the read surface too } } } return EGL_TRUE; } return setError(EGL_BAD_ACCESS, EGL_FALSE); } EGLContext eglGetCurrentContext(void) { // eglGetCurrentContext returns the current EGL rendering context, // as specified by eglMakeCurrent. If no context is current, // EGL_NO_CONTEXT is returned. return (EGLContext)getGlThreadSpecific(); } EGLSurface eglGetCurrentSurface(EGLint readdraw) { // eglGetCurrentSurface returns the read or draw surface attached // to the current EGL rendering context, as specified by eglMakeCurrent. // If no context is current, EGL_NO_SURFACE is returned. EGLContext ctx = (EGLContext)getGlThreadSpecific(); if (ctx == EGL_NO_CONTEXT) return EGL_NO_SURFACE; egl_context_t* c = egl_context_t::context(ctx); if (readdraw == EGL_READ) { return c->read; } else if (readdraw == EGL_DRAW) { return c->draw; } return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); } EGLDisplay eglGetCurrentDisplay(void) { // eglGetCurrentDisplay returns the current EGL display connection // for the current EGL rendering context, as specified by eglMakeCurrent. // If no context is current, EGL_NO_DISPLAY is returned. EGLContext ctx = (EGLContext)getGlThreadSpecific(); if (ctx == EGL_NO_CONTEXT) return EGL_NO_DISPLAY; egl_context_t* c = egl_context_t::context(ctx); return c->dpy; } EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); egl_context_t* c = egl_context_t::context(ctx); switch (attribute) { case EGL_CONFIG_ID: // Returns the ID of the EGL frame buffer configuration with // respect to which the context was created return getConfigAttrib(dpy, c->config, EGL_CONFIG_ID, value); } return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); } EGLBoolean eglWaitGL(void) { return EGL_TRUE; } EGLBoolean eglWaitNative(EGLint engine) { return EGL_TRUE; } EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); egl_surface_t* d = static_cast(draw); if (d->dpy != dpy) return setError(EGL_BAD_DISPLAY, EGL_FALSE); // post the surface d->swapBuffers(); // if it's bound to a context, update the buffer if (d->ctx != EGL_NO_CONTEXT) { d->bindDrawSurface((ogles_context_t*)d->ctx); // if this surface is also the read surface of the context // it is bound to, make sure to update the read buffer as well. // The EGL spec is a little unclear about this. egl_context_t* c = egl_context_t::context(d->ctx); if (c->read == draw) { d->bindReadSurface((ogles_context_t*)d->ctx); } } return EGL_TRUE; } EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface, NativePixmapType target) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); // TODO: eglCopyBuffers() return EGL_FALSE; } EGLint eglGetError(void) { return getError(); } const char* eglQueryString(EGLDisplay dpy, EGLint name) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, (const char*)0); switch (name) { case EGL_VENDOR: return gVendorString; case EGL_VERSION: return gVersionString; case EGL_EXTENSIONS: return gExtensionsString; case EGL_CLIENT_APIS: return gClientApiString; } return setError(EGL_BAD_PARAMETER, (const char *)0); } // ---------------------------------------------------------------------------- // EGL 1.1 // ---------------------------------------------------------------------------- EGLBoolean eglSurfaceAttrib( EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); // TODO: eglSurfaceAttrib() return setError(EGL_BAD_PARAMETER, EGL_FALSE); } EGLBoolean eglBindTexImage( EGLDisplay dpy, EGLSurface surface, EGLint buffer) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); // TODO: eglBindTexImage() return setError(EGL_BAD_PARAMETER, EGL_FALSE); } EGLBoolean eglReleaseTexImage( EGLDisplay dpy, EGLSurface surface, EGLint buffer) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); // TODO: eglReleaseTexImage() return setError(EGL_BAD_PARAMETER, EGL_FALSE); } EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); // TODO: eglSwapInterval() return setError(EGL_BAD_PARAMETER, EGL_FALSE); } // ---------------------------------------------------------------------------- // EGL 1.2 // ---------------------------------------------------------------------------- EGLBoolean eglBindAPI(EGLenum api) { if (api != EGL_OPENGL_ES_API) return setError(EGL_BAD_PARAMETER, EGL_FALSE); return EGL_TRUE; } EGLenum eglQueryAPI(void) { return EGL_OPENGL_ES_API; } EGLBoolean eglWaitClient(void) { glFinish(); return EGL_TRUE; } EGLBoolean eglReleaseThread(void) { // TODO: eglReleaseThread() return EGL_TRUE; } EGLSurface eglCreatePbufferFromClientBuffer( EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); // TODO: eglCreatePbufferFromClientBuffer() return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE); } // ---------------------------------------------------------------------------- // EGL_EGLEXT_VERSION 3 // ---------------------------------------------------------------------------- void (*eglGetProcAddress (const char *procname))() { extention_map_t const * const map = gExtentionMap; for (uint32_t i=0 ; icommon.magic != ANDROID_NATIVE_BUFFER_MAGIC) return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); if (native_buffer->common.version != sizeof(android_native_buffer_t)) return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); native_buffer->common.incRef(&native_buffer->common); return (EGLImageKHR)native_buffer; } EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) { return setError(EGL_BAD_DISPLAY, EGL_FALSE); } android_native_buffer_t* native_buffer = (android_native_buffer_t*)img; if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) return setError(EGL_BAD_PARAMETER, EGL_FALSE); if (native_buffer->common.version != sizeof(android_native_buffer_t)) return setError(EGL_BAD_PARAMETER, EGL_FALSE); native_buffer->common.decRef(&native_buffer->common); return EGL_TRUE; } // ---------------------------------------------------------------------------- // ANDROID extensions // ---------------------------------------------------------------------------- EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, EGLint left, EGLint top, EGLint width, EGLint height) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); egl_surface_t* d = static_cast(draw); if (d->dpy != dpy) return setError(EGL_BAD_DISPLAY, EGL_FALSE); // post the surface d->setSwapRectangle(left, top, width, height); return EGL_TRUE; } EGLClientBuffer eglGetRenderBufferANDROID(EGLDisplay dpy, EGLSurface draw) { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, (EGLClientBuffer)0); egl_surface_t* d = static_cast(draw); if (d->dpy != dpy) return setError(EGL_BAD_DISPLAY, (EGLClientBuffer)0); // post the surface return d->getRenderBuffer(); }